The WBCGV12-1712.5-1722.5-1742.5-1752.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7225 to 1.7425 GHz, Bandwidth 20 MHz, Center Frequency 1.7325 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1712.5-1722.5-1742.5-1752.5-50-1 can be seen below.